Integrated Circuits Used
Procedure
- Add IC 74LS138 into ICBase-1 (74LS138).
- Add IC 74LS20 into ICBase-2 (74LS20).
- Add IC 74LS20 into ICBase-3 (74LS20).
- Connect Pin-3 (Input) of ICBase-1 (74LS138) to Input-15.
- Connect Pin-2 (Input) of ICBase-1 (74LS138) to Input-14.
- Connect Pin-1 (Input) of ICBase-1 (74LS138) to Input-13.
- Connect Pin-6 (Output) of ICBase-3 (74LS20) to Output-15.
- Connect Output-14 to Pin-14 (Output) of ICBase-2 (74LS20).
- Connect Pin-15 (Input) of ICBase-2 (74LS20) to Pin-17 (Output) of ICBase-1 (74LS138).
- Connect Pin-6 (Output) of ICBase-2 (74LS20) to Output-13.
- Connect Pin-17 (Output) of ICBase-1 (74LS138) to ICBase-2 (74LS20).